  * {
            padding: 0;
            margin: 0;
        }

        .main {
            width: 1210px;
            /* background-color: red; */
            margin: 0 auto;
            border: 1px solid #333333;
            overflow: hidden;
        }

        .left {
            width: 200px;
            /* height: 100px; */
            float: left;
            background-color: white;
            border-right: 1px solid #666666;

        }


        .left h2 {
            font-size: 16px !important;
            position: relative;
            left: -6px;
            font-weight: 400;
            color: #000000;
        }

        .left li {
            font-size: 12px;
            text-align: left;
            margin-top: 10px;
            padding-left: 10px;
            /* padding-left: -5px; */
            /* box-sizing: border-box; */
        }

        .left ul li:nth-of-type(1) {
            list-style: none;
            border: none;
        }

        .left ul:nth-of-type(1) {
            height: 80px !important;
            /* line-height: 80px; */
        }

        .left ul {
            padding-left: 20px;
            box-sizing: border-box;
            width: 160px;
            margin: 0 auto;
            border-bottom: 2px solid #d3d3d38a;
            height: 140px;
        }

        .right {
            width: 1000px;
            float: left;
        }

        .nav {
            width: 900px;
            /* background-color: red; */
            margin: 0 auto;
            height: 50px;
            text-align: center;
            border-bottom: 4px solid red;
        }

        .nav h2 {
            height: 50px;
            float: left;
            line-height: 50px;
            font-weight: 500;
            font-size: 20px;
        }

        .nav p {
            height: 50px;
            line-height: 50px;
            float: right;
            font-size: 14px;
        }

        .header {
            width: 900px;
            margin: 10px auto;
            padding: 0px;
            height: 30px;
            padding-right: 210px;
            box-sizing: border-box;
        }

        .header .hot {
            color: white;
            display: inline-block;
            height: 30px;
            line-height: 30px;
            background-color: red;
            font-size: 14px;

        }

        .right li {
            list-style: none;
        }

        .header ul {
            width: 1000px;
            height: 30px;
            line-height: 30px;
        }

        .header ul li {
            width: 28px;
            height: 30px;
            float: left;
            text-align: center;
            line-height: 30px;
            font-size: 14px;
        }
        .left span {
            width: 6px;
            height: 6px;
            display: inline-block;
            background-color: black;
            position: relative;
            top: -2px;
        }

        li {
            list-style: none;
        }

        a {
            text-decoration: none;
            color: #000000;
        }

        .list {
            width: 900px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin: 10px auto;

        }

        .list li {
            width: 160px;
            height: 220px;
            /* background-color: red; */
            margin-right: 20px;
        }

        .list li:nth-of-type(5n) {
            margin-right: 0px;
        }


        img {
            width: 160px;
            height: 160px;
        }

        #app1 {
            width: 900px;
            margin: 0 auto;
            /* border: 1px solid #000; */
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        #uul li {
            height: 200px;
            width: 160px;
            margin: 0 8px;
            display: inline-block;
            text-align: center;
        }
        .active{
            background-color: red;
        }